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From: David Woodhouse <dwmw2@infradead.org>
To: Stephen Hemminger <shemminger@vyatta.com>
Cc: netdev@vger.kernel.org, Mark McLoughlin <markmc@redhat.com>
Subject: Re: tun: add tun_flags, owner, group attributes in sysfs
Date: Mon, 04 May 2009 15:58:05 +0100	[thread overview]
Message-ID: <1241449085.6126.117.camel@macbook.infradead.org> (raw)
In-Reply-To: <20090504074753.6d1c5bcd@nehalam>

On Mon, 2009-05-04 at 07:47 -0700, Stephen Hemminger wrote:
> Netlink please not sysfs. 

That seems like overkill in this case.

> also, any sysfs attributes have to handle unregistration issues.
>       ( sleep 900; read owner ) </sys/class/net/tun0/owner &
>       rmmod tun

That gets handled for you automatically...

[root@tylersburg ~]# ( sleep 900 ; read owner; echo $owner ) < /sys/class/net/tun0/owner &
[1] 4728
[root@tylersburg ~]# ./ip tuntap del tun0 mode tun
[root@tylersburg ~]# rmmod tun
[root@tylersburg ~]# killall sleep
-bash: line 28:  4729 Terminated              sleep 900
[root@tylersburg ~]# -bash: line 28: read: read error: 0: No such device

-- 
dwmw2


  reply	other threads:[~2009-05-04 14:58 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-05-04 10:32 tun: add tun_flags, owner, group attributes in sysfs David Woodhouse
2009-05-04 10:36 ` Michael Tokarev
2009-05-05 22:18   ` David Woodhouse
2009-05-04 10:42 ` [iproute2 patch]: Add 'ip tuntap' facility for managing tun/tap devices David Woodhouse
2009-05-04 14:38   ` Stephen Hemminger
2009-05-04 14:49     ` David Woodhouse
2009-05-27 16:32       ` David Woodhouse
2009-05-27 16:38         ` Stephen Hemminger
2009-05-27 16:49           ` David Woodhouse
2009-05-27 17:06             ` Stephen Hemminger
2009-05-27 20:44               ` David Miller
2009-05-27 20:43             ` David Miller
2009-05-28  4:58   ` Stephen Hemminger
2009-05-28  8:12     ` David Woodhouse
2009-06-13  8:55       ` David Woodhouse
2009-07-20 23:44         ` David Woodhouse
2009-05-04 14:47 ` tun: add tun_flags, owner, group attributes in sysfs Stephen Hemminger
2009-05-04 14:58   ` David Woodhouse [this message]
2009-05-09 20:27 ` David Miller
2009-05-09 22:27   ` David Woodhouse
2009-05-09 22:55     ` David Woodhouse
2009-05-09 22:56     ` David Miller
2009-05-10  5:54 ` David Miller

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